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A comparison of the iterative average shape brain (HSB) and the statistical shape model (SSM). The mean surface distance measured after rigid registration of HSB onto the SSM amounts to 8.5 μm. Only the surface model of the HSB is shown here, and the surface distances between HSB and SSM are indicated by colored vecto... | |
Lateral skull radiograph showed low mineralization of the skull bones associated with persistent opening of the anterior fontanelle. The brain convolutions were apparent because of the demineralized calvaria. Note the bulging frontal area. No evidence of wormian bones and/or dentinogenesis imperfecta.
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MR imaging (FLAIR) also showed hyperintense lesion of the brain stem.
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Axial section of the T1-weighted magnetic resonance imaging image of the brain showing the tumor with a midline shift
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Plain skull x-ray film showing an irregular lytic lesion of the right parietal lobe.
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Field of view (FOV).The field of view used for fMRI acquisition during task performance, indicated as a blue translucent square overlaid on a sagittal slice through the anatomical scan of one of the participants. Care was taken that the striatum, midbrain, FEF and SEF were in the field of view. In between functional r... | |
Coronal computed tomographic reconstructions demonstrating dislocation at C1-C2 and Subluxation of the occipito-atlas junction. Note C2 in the coronal position with the anterior arch of C1 overlying the left facet. Sphenoide bone, anterior part of occipital foramen (arrow).
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MRI of brain T1 axial + gadolinium showing small tuberculoma in the right prepontine cistern before anti-TB treatment.
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Brain MRI. MRI scan of the brain showing two closely related cerebral abscesses in the left occipital region and resulting peri-lesional edema and the mid-line shift
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Brain MRI with bilateral peripherally enhancing white matter lesions representing signs of active demyelination.
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Multifocal cortical and sub-cortical hyperintensities in bilateral high convexity fronto- parietal lobe and occipital lobe with hemorrhagic lesion in the right posterior temporal lobe
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Non-contrast computed tomography head showing holocranial infarct with diffuse brain edema and hydrocephalus
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Cerebral MRI showing round temporo-parietal located lesion.
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Axial non-contrast -enhanced CT of the brain demonstrates bilateral hyperdense MCA sign.
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Electrode reconstruction from co-registered CT data one day after surgery (red) and one year later (blue). Co-registered T1 MRI displayed in background. Note the non-linear bending of the trajectories due to brain shift respectively inverse brain shift.
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MRI HEAD (axial) without contrast. Meningitis related bifrontal/bitemporal subdural empyema. Notice the pronounced thickening up to 1.2 cm in the left side.
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Magnetic resonance brain imaging performed 3 weeks later shows no remarkable finding.
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Brain computed tomography of the first patient performed 4 days after onset demonstrates massive brainstem hemorrhage.
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Brain magnetic resonance imaging (MRI) revealing left side cerebellar abscesses.
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Localization of fluid in the right subdural frontoparietal area observed in a computed tomography axial without contrast
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Land marks in cephalic radiograph-Na (Nasion), Pa (Parietal bone), Oc (Occipital bone), T (Temporal bone), IL (Incisal tip of lower incisor), M1 (disto-occlusal tip of first mandibular molar), M2 (mesio-occlusal tip of second mandibular molar)
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Bone-algorithm axial and coronal CT images reveal an extensive, permeative destruction, especially affecting temporal petromastoid and occipital condyle. Left carotid bony canal and jugular foramen were also destroyed. Sclerotic change of left temporal bone might be caused by chronic otomastoiditis. Left vertebral art... | |
Magnetic resonance, T1-weighted image, coronal section, arrow showing the cerebrospinal fluid-filled cleft and lined by the cortical gray matter extending from the subarachnoid space of the left parietal lobe region communicating with the left lateral ventricle
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Herpes encephalitis, MRI section shows bilateral hyperdense lesions in the temporal and parietal lobes.
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MRI Brain (GRE T2WI) showing multiple hypointense lesions diagnosed as cerebral cavernomas.
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A 24 year old male presented with acute onset headache with drowsiness in the background of recent fever. On examination he had pupil sparing ptosis, vertical gaze paresis, mild sensory neural deafness and bilateral subtle pyramidal signs. MRI brain showed symmetric hyperintense lesions in the caudate nuclei and putam... | |
CECT brain showing multiple ring-enhancing lesions with edema in both cerebral hemispheres (Case 3)
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Case 2. Initial T1-weighted, axial MRI after intravenous injection of paramagnetic contrast material shows an enhancing soft-tissue lesion at the apex of the right orbit extending through the superior orbital fissure onto the medial sphenoid wing and around the temporal lobe tip (arrowhead).
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Brain CT. Calcifications of white matter of centrum semiovale (f), grey matter of brain fissures (g)
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Brain MRI sagittal section in T1, showing mild cerebellar atrophy in a patient with CTX.
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Immunohistochemistry for Huntingtin (Htt) protein and tissue punch location for polymerase chain reaction (PCR) and western blot (WB) analyses. (A, C and E) Full coronal tissue sections immunostained for Huntingtin in the caudate nucleus (A), rostral putamen (C) and caudal putamen (E) are shown from a rhesus monkey re... | |
Representative axial image of pre-operative high-resolution temporal bone CT scan illustrating the distance measured from the line drawn through round window (*) and facial nerve (#) to the anterior aspect of the sigmoid sinus
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Axial fluid-attenuated inversion recovery magnetic resonance imaging images of the brain demonstrating the increased signal around the aqueductus sylvii.
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Magnetic Resonance Imaging of Brain Sagittal Section of T1 Sequence Showing Cerebellar Cortical Atrophy.No white matter changes in the cerebellar peduncle
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Red-free fundus image of the right eye shows sclerosed vessels along superotemporal arcade with collateral channels suggestive of old branch retinal vein occlusion
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Axial noncontrast CT scan of the brain demonstrating a right MCA infarct along with multiple foci of air within the right MCA branches (best seen within the Sylvian fissure).
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MRI brain showing infarcts in bilateral Heschl gyri.
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Coronal view of brain.
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MRI of the brain. MRI was performed on Patient 1 at 12 years of age. T1W1 sagittal image demonstrates prominent cerebellar atrophy involving superior and middle cerebellar folia. Axial images (not shown) revealed normal subcortical and cerebellar white matter. MR spectroscopy was normal (not shown). Repeat MRI imaging... | |
MRI, T2-weighted coronal image: hyperintense signal on bilateral occipital and cerebellar regions.
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Severe traumatic brain injury with skull impression, intraventricular bleeding, midline shift, brain edema, and intracerebral bleeding.
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Diffusion-weighted image of the brain MRI taken on day 9 with high intensity areas on the left middle cerebral artery region.
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Sagittal MRI view of the brain at the age of 17 showing diffuse increased T2 signal in the subcortical and periventricular white matter demonstrating diffuse leukodystrophy. GE sagittal T2 CUBE image performed on a 3T MR GE scanner with TR: 3000, TE: 69.1.
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Axial T2-weighted sequence in a 55-year-old woman with an 8-year history of syncopal attacks demonstrates a large, extra-axial mass over the inferolateral left frontal lobe and anterior temporal lobe that is markedly hyperintense, slightly more so than CSF. There is mild vasogenic oedema present posterior to the mass.... | |
CT image of 2 days old newborns brain.Dilated third ventricle (V) with absent thalami and basal ganglia and cerebral cortex.
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Case 1. Preoperative external carotid angiography, lateral view. The main mass (‘A’) is shown near the overlapped image of a dental prosthesis (‘B’). It is feeding from the transverse facial artery (‘G’) and maxillary artery (‘E’). (‘A’: main mass, ‘B’: overlapped image of dental prosthesis [maxillary left implant and... | |
(a)T1-weighted MR images with gadolinium. Left temporal lobe tumor shows no enhancement but mild mass effect on the left ambient cistern
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T1 weighted MR image of the brain
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Follow up brain CT scan shows dissolved pneumocehpalus on next 16 days.
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T2-weighted image on the coronal plane showing cortico-subcortical bilateral hyperintensity involving the mesiotemporal region, including amygdala and hippocampi with sulci and temporal horns enlargement.
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Neurofibromatosis Type 2. A 34-year-old man with mild hearing loss in the left ear. Axial computed tomography (parenchymal window) of the temporal bone shows a midline mass (arrow) with coarse calcifications at the posterior aspect of the fourth ventricle. Note the normal appearance of bilateral pontocerebellar cister... | |
Sagittal multi-planar reconstruction of a CT data set showing the skull and the cervical spine of individual A.Remnants of the shrunken brain are visible in the posterior cranial fossa. The lower cervical and upper thoracic spine reveals degenerative changes (white arrow). The cranio-cervical junction depicts severe d... | |
Chest radiograph of an 18-year-old boy who presented with cough and tachypnea demonstrates a large anterior mediastinal mass and a left pleural effusion with a light contralateral shift of the trachea and mediastinum. Aspiration of the effusion and biopsy of the parietal pleura provided the diagnosis of lymphoblastic ... | |
CT brain with VP shunt in situ and slit-ventricle with an underlying shunt malfunction
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CT scan of the orbits and brain, axial view. Streaky increased density was noted within the intra-coronal and extra-coronal fat, and there was right proptosis.
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CT scan of brain one month following surgery showing minimal residual mass in the orbital region
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Axial T2 view shows bilateral hyperintensities in centrum-semi-ovals (with prominence in left parietal lobe) due to the sagital cerebral sinovenous thrombosis.
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CT brain plain demonstrating absence of epidural/ parenchymal lesion
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CT scanning due to left hemiplegia revealed brain abscess (arrows).
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Postoperative brain MRI shows the bilateral VAs transposed from the brainstem.
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Showing the first computed tomograph brain that was carried out with no abnormalities.
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Superimposed volumes of interest on T2-weighted image without motion probing gradient. A Posterior limb of the internal capsule, B corpus callosum, C thalamus, D anterior horn of the lateral ventricle
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Magnetic resonance imaging brain axial T1-weighted contrast images showing a left cystic vestibular schwannoma
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Axial non-contrast CT shows lobulated extra-axial hyperdense lesions anterolateral to the lower brainstem
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32-year-old man with history of Wilson's disease who presents with slurred speech. Fluid-attenuated inversion recovery sequence, axial MRI image shows presence of hyperintensities involving dorsal midbrain.
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Initial CT scan of the brain.
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Segementation of the hypothalamus region of interest (ROI). For the hypothalamus ROI (A), the optic chiasm (1), the mammillary bodies (2), the thalamus (3) the anterior commissure (4) and the top of the cerebral aqueduct (5) were used as landmarks. The reference ROI was drawn superior of the genu to the corpus callosu... | |
Axial brain CT (120KV, ST: 5.0mm): an 8x4mm area of increased density in the left retrolenticular portion of the internal capsule, consistent with blood products.
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MRI brain postcontrast T1-weighted image showing the correct location of the posterior pituitary bright spot within the sella turcica. MRI, magnetic resonance imaging.
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Brain MRI shows symmetrical normal-sized hippocampi.
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Computerized tomogram scan showed a lobulated hypodense mass in the right infratemporal region (HU values are –50- to – 75, indicative of fat)with solid component
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Group map of anterior face temporal face areas. Average activations for the contrast faces > places (thresholded z > 1.65) superimposed on a ventral view of the inferior surface of the brain. Anterior temporal faces areas 1 and 2 are labeled as first anterior temporal face area (AP1) and second anterior temporal face ... | |
Brain magnetic resonance images of fluid attenuation inversion recovery sequence obtained in a 14-year-old male on induction chemotherapy with asparaginase demonstrates moderate bilateral but asymmetrical subcortical and deep white matter vasogenic edema, of parietal and occipital regions
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Magnetic resonance imaging brain in T2 fluid attenuation inversion recovery sequence showed bilateral symmetrical hyperintensities in both thalamic regions
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Magnetic resonance imaging-based evidence of a displaced right occipital condyle fragment in the epidural space adjacent to the hypoglossal canal
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Sagittal T1 weighted MR image of the brain shows thinning of the corpus callosum (arrows). Cerebellar atrophy also evident with enlargement of cerebellar sulci.
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Brain MRI abnormalities in an anti-MOG antibody-positive patient. Axial T2-FLAIR (fluid-attenuated inversion recovery) brain MRI of a MOG-seropositive NMO patient 31 years after disease manifestation with combined optic neuritis and transverse myelitis showed multiple abnormalities fulfilling Barkhof criteria and res... | |
Magnetic resonance imaging brain shows multiple vascular infarcts
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Right occipital infarct area in the CT scan (white arrow).
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Magnetic resonance imaging brain showing multiple hypodense lesions in bilateral brain parenchyma with scolices and surrounding edema. Single cystic lesion in left orbit abutting optic nerve
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Sagittal T2 MR image showing diffuse edema of the brain stem and an obliterated 4th ventricle in the posterior fossa
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Brain CT without contrast bilateral occipital cortico-subcortical hypodensities and hemorrhagic foci.
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Postoperative brain computerized tomography immediately taken at neurosurgical intensive care unit shows diffuse brain swelling and obliteration of ventricles mimicking diffuse hypoxic brain edema.
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Coronal T2-weighted MRI in a 30.5-year-old woman affected by non-classic CAH. The right hippocampus is moderately round-shaped and its internal structures are not identified (patient no. 21)
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MRI brain on hospital day 36, with punctate enhancing lesions and one notable ring-enhancing lesion (T1 post contrast).
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Computerized tomography scan of the head at 40 weeks showing markedly enlarged lateral ventricles secondary to loss of brain parenchyma and severe encephalomalacia.
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Sagittal T1-weighted MRI. frontal lobe (1), parietal lobe (2), occipital lobe (3), corpus callosum (4), lateral ventricle (5), thalamus (6), midbrain (7), pons (8), medulla oblongata (9), cerebellum (10), spinal cord (11), adenohypophysis (12), and neurohypophysis (13). Sagittal T1-weighted MRI shows the posterior pit... | |
Initial brain MRI T1-WI axial plane of a patient with ephedrone encephalopathy: symmetrically high intensity signal in globi pallidi (globus pallidus to frontal lobe white matter signal intensity ratio is ca. 152%).
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Non-contrast brain CT 24 h after symptom onset.
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Magnetic Resonance Imaging of BrainArrows point toward the area of infarct.
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A brain computed tomographyscan showed non-enhancing hypodense lesions, 1.1 cm X 1.8 cm on the right side and 0.6 cm X 1.6 cm on the left side of cerebellar hemispheres (arrows).
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Preoperative computed tomography brain showing deformity of frontal bone caused by large intradiploic arachnoid cyst with gliosis of medial frontal lobe
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Sagittal CT image of the brain showing calcification in the globus pallidus
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Magnetic resonance imaging of the brain, T1-weighted images of a coronal section of the brain showing enlarged ventricles with subtle debris layering the occipital horns of the lateral ventricles (arrow), suspicious for intraventricular hemorrhage or pus
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Brain MRI showed enhancement in bilateral hippocampus.
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Axial contrast-enhanced computerized tomography of the paranasal sinuses and brain showing an enhancing mass involving the right nasal cavity, sphenoid sinus, pterygopalatine fossa, infra temporal fossa, superior orbital fissure, inferior orbital fissure, cavernous sinus with intracranial extension into anterior part ... | |
Magnetic resonance imaging scan showing the skull-based lesion of left parietal bone
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CT scan of the brain after irradiation
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Pre-operative MRI brain (P+C) of 32 M having left sided giant vestibular schwannomas (Hannover stage 4b)
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Mesial temporal lobe sclerosis in the right temporal lobe.
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